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叶酸溶液, 100ppm
GBW(E)060883 甲醇中亮蓝溶液,100μg/mL
Quinine Sulfate
磺胺甲氧哒嗪 (SMP)溶液, 100ppm
GPC标样-聚苯乙烯套装(Medium Mw, Narrow MWD)
Bentazon methyl derivative Solution 100ug/ml in Isooctane:Acetone (90:10)
a,a-Dichlorotoluene Solution 标准品
异辛烷中工业五溴二苯醚混合溶液标准物质
2-n-Propoxy-3(5)-methylpyrazine, Isomer mixture
Fluroxypyr-meptyl